Audio System + Drivers (#562)

Tactility/Source/service/audio/Audio.cpp

@@ -0,0 +1,107 @@
+#include <Tactility/service/audio/Audio.h>
+#include <Tactility/service/audio/AudioService.h>
+#include <Tactility/service/ServiceManifest.h>
+#include <Tactility/service/ServiceRegistration.h>
+
+namespace tt::service::audio {
+
+extern const ServiceManifest manifest;
+
+// The service is only registered when audio hardware is present (see Tactility.cpp);
+// treat "not registered" as "no device bound" rather than asserting via findAudioService().
+static std::shared_ptr<AudioService> tryFindAudioService() {
+    return findServiceById<AudioService>(manifest.id);
+}
+
+std::shared_ptr<PubSub<AudioEvent>> getPubsub() {
+    if (auto service = tryFindAudioService()) {
+        return service->getPubsub();
+    }
+    // No audio hardware, service was never registered: hand back an inert pubsub
+    // that nothing ever publishes to, so callers can subscribe/unsubscribe safely.
+    static auto fallbackPubsub = std::make_shared<PubSub<AudioEvent>>();
+    return fallbackPubsub;
+}
+
+bool isAvailable() {
+    auto service = tryFindAudioService();
+    return service != nullptr && service->isAvailable();
+}
+
+bool isInputAvailable() {
+    auto service = tryFindAudioService();
+    return service != nullptr && service->isInputAvailable();
+}
+
+bool isOutputAvailable() {
+    auto service = tryFindAudioService();
+    return service != nullptr && service->isOutputAvailable();
+}
+
+bool isInputEnabled() {
+    auto service = tryFindAudioService();
+    return service != nullptr && service->isInputEnabled();
+}
+
+void setInputEnabled(bool enabled) {
+    if (auto service = tryFindAudioService()) {
+        service->setInputEnabled(enabled);
+    }
+}
+
+bool isOutputEnabled() {
+    auto service = tryFindAudioService();
+    return service != nullptr && service->isOutputEnabled();
+}
+
+void setOutputEnabled(bool enabled) {
+    if (auto service = tryFindAudioService()) {
+        service->setOutputEnabled(enabled);
+    }
+}
+
+float getInputVolume() {
+    auto service = tryFindAudioService();
+    return service != nullptr ? service->getInputVolume() : 0.0f;
+}
+
+void setInputVolume(float percent) {
+    if (auto service = tryFindAudioService()) {
+        service->setInputVolume(percent);
+    }
+}
+
+float getOutputVolume() {
+    auto service = tryFindAudioService();
+    return service != nullptr ? service->getOutputVolume() : 0.0f;
+}
+
+void setOutputVolume(float percent) {
+    if (auto service = tryFindAudioService()) {
+        service->setOutputVolume(percent);
+    }
+}
+
+bool isInputMuted() {
+    auto service = tryFindAudioService();
+    return service != nullptr && service->isInputMuted();
+}
+
+void setInputMuted(bool muted) {
+    if (auto service = tryFindAudioService()) {
+        service->setInputMuted(muted);
+    }
+}
+
+bool isOutputMuted() {
+    auto service = tryFindAudioService();
+    return service != nullptr && service->isOutputMuted();
+}
+
+void setOutputMuted(bool muted) {
+    if (auto service = tryFindAudioService()) {
+        service->setOutputMuted(muted);
+    }
+}
+
+} // namespace tt::service::audio